... structure, small volume, low power consumption, easy for exhaust, stable and reliable measuring, wide measuring range, etc ... : 7.5x10-2Pa-1±20%4. Electron Bombardment Exhaust: Max Power to be 30 W5. Roast Temperature: ... high than 1x10-3Pa in case of gauge exhaust. For better ultimate vacuum degree, the gauge ... system vacuum degree is less than 10-1Pa.2. Exhaust only when the system vacuum degree is ...